Submission #204788

#TimeUsernameProblemLanguageResultExecution timeMemory
204788awlintqaaGondola (IOI14_gondola)C++14
20 / 100
21 ms1448 KiB
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #include <bits/stdc++.h> using namespace std; #define sqr 200 #define mid (l+r)/2 #define pb push_back #define ppb pop_back #define fi first #define se second #define lb lower_bound #define ub upper_bound #define ins insert #define era erase #define C continue #define mem(dp,i) memset(dp,i,sizeof(dp)) #define mset multiset typedef long long ll; typedef short int si; typedef long double ld; typedef pair<int,int> pi; typedef pair<ll,ll> pll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll; const ll mod=1e9+7; const ll inf= 4e18; const ld pai=acos(-1); #include "gondola.h" int n; int a[100009]; int done[100009]; int valid(int N, int inputSeq[]){ n=N; for(int i=0;i<n;i++)a[i]=inputSeq[i]; int st=-1,mn=1e9; vi ret; for(int i=0;i<n;i++){ if(a[i]<=n && a[i]<mn){ mn=a[i]; st=i; } else if (a[i]>n)ret.pb(a[i]); } sort(ret.begin(),ret.end()); if(ret.size()){ if(ret[0]==n+1){ for(int i=1;i<ret.size();i++){ if(ret[i]!=ret[i-1]+1)return 0; } } else return 0; } if(st==-1)return 1; int goal=a[st]; while(!done[st]){ if(a[st]<=n && a[st]!=goal)return 0; done[st]=1; st++; goal++; st%=n; if(goal>n)goal=1; } return 1; } //---------------------- int replacement(int n, int gondolaSeq[], int replacementSeq[]) { return -2; } //---------------------- int countReplacement(int n, int inputSeq[]) { return -3; }

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:48:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int i=1;i<ret.size();i++){
                   ~^~~~~~~~~~~
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